cve/2020/CVE-2020-15693.md

CVE-2020-15693

Description

In Nim 1.2.4, the standard library httpClient is vulnerable to a CR-LF injection in the target URL. An injection is possible if the attacker controls any part of the URL provided in a call (such as httpClient.get or httpClient.post), the User-Agent header value, or custom HTTP header names or values.

POC

Reference

• http://www.openwall.com/lists/oss-security/2021/02/04/2
• http://www.openwall.com/lists/oss-security/2021/02/04/2
• https://consensys.net/diligence/vulnerabilities/nim-httpclient-header-crlf-injection/
• https://consensys.net/diligence/vulnerabilities/nim-httpclient-header-crlf-injection/

Github

No PoCs found on GitHub currently.